Home / 867,199,986.48-1,196,737,130.04-470,722,718.64

Finding the Fourth Proportional to 867,199,986.48, 1,196,737,130.04 and 470,722,718.64

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Solution

The fourth proportional to 867,199,986.48, 1,196,737,130.04 and 470,722,718.64 is: 649,597,975.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,199,986.48 : 1,196,737,130.04 = 470,722,718.64 : x
  2. Step 2: Convert to fraction form
    867,199,986.48/1,196,737,130.04 = 470,722,718.64/x
  3. Step 3: Cross multiply
    867,199,986.48x = 1,196,737,130.04 × 470,722,718.64
  4. Step 4: Simplify right side
    867,199,986.48x = 563,331,355,349,859,968
  5. Step 5: Solve for x
    x = 563,331,355,349,859,968/867,199,986.48
  6. Step 6: Final answer
    x = 649,597,975.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.